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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 114 (1981), S. 638-651 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: New ChromoionophoresThe synthesis and spectroscopic properties, especially shifts in light absorption upon addition of salts, of the new ionophore dyes 1, 3, 4, 10 and 11 of the anthraquinone-, naphthoquinone-, and phenol blue type are described. The observed hypsochromic and bathochromic shifts are discussed in view of the crown ether complexation in the donor or acceptor part, resp., or with 3 and 4 in view of the coordination at both donor and acceptor. Influences of the ion size and of the charge density as well as the influence of changes of the cyanine and polyene character are explained.
    Notes: Synthese und spektroskopische Eigenschaften, insbesondere Lichtabsorptions-Verschiebungen bei Salzzusatz, der neuen Ionophor-Farbstoffe 1, 3, 4, 10 und 11 vom Anthrachinon-, Naphthochinon- und Phenolblau-Typ werden beschrieben. Die hypso- und bathochromen Verschiebungen werden im Hinblick auf die Kronenether-Komplexierung im Donor- und Acceptorteil bzw. bei 3 und 4 am Donor und Acceptor erötert. Einflüsse der Ionengröße und Ladungsdichte sowie von Änderungen des Cyanin- und Polyen-Charakters werden diskutiert.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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